General Motors reported sales in China increased by 16% during September and its joint ventures delivered a record 343,773 vehicles. The maker also announced an investment in a Chinese ride-sharing venture.

Cadillac set an all-time record for monthly deliveries, while Buick and Baojun, GM’s China-only brand, reached new highs for September, GM reported. In the first nine months of 2016, retail sales by GM and its joint ventures in China increased 9% on an annual basis to a record 2,718,315 units.

Cadillac deliveries in September jumped 63% year over year to 12,539 units. It was the third consecutive month Cadillac sales grew by more than 50%. Sales of the XT5 luxury crossover exceeded 4,000 units. Demand for the ATS-L and XTS luxury sedans increased over 30% from the same month a year earlier.

Buick deliveries in September were up 23% on an annual basis to 108,325 units in September led by strong demand for the Excelle GT – which averaged monthly deliveries of nearly 30,000 units in the first nine months. The Envision SUV maintained its momentum as well, with deliveries increasing 70% to 18,518 units from the previous September. Deliveries of the Verano family surpassed 15,000 units.

Buick Envision sales rose 70% in September.

Chevrolet deliveries grew 2.6% to 51,932 units from the previous September. It was the second consecutive month of sales growth. The brand was spearheaded by the Cruze family, whose demand was more than 23,000 units.

Chevrolet is expanding its portfolio in China. The brand introduced the sixth generation of its iconic Camaro muscle car in September and will debut the 2018 Equinox SUV next month in China.

Baojun deliveries in September totaled 62,719 units, a gain of 33% year over year. Demand for the Baojun 730 MPV was up 45% from the previous September. Baojun launched the 310 hatchback early last month, achieving deliveries of more than 5,000 units.

(Click Here for details about GM’s commitment to using renewable energy.)

GM also announced an investment in Yi Wei Xing or Beijing Technology Co., Ltd. Yi Wei Xing, a leading car-sharing technology solution provider in China, in was described as another move in exploring personal mobility in China.

The investment and strategic alliance will leverage Yi Wei Xing’s technical offering, and are in line with GM’s drive to explore new car-sharing models and gain insights into China’s rapidly changing car-sharing market.

The equity investment follows GM’s global strategy of redefining the future of personal mobility. GM launched its car-sharing service brand Maven in January 2016. Maven’s mission is to give consumers access to highly personalized, on-demand mobility services. It expanded its services to five markets in less than four months in the U.S. after its launch.